They set tiers for earnings on their partners (including 0% for KL ... skyteam alliance partner). Codeshares are still allowed but apparently they are sometimes 2x+ more expensive. (although... fares paid on partners do not count towards the new elite spending requirements apparently so there's a debate on whether this matters a lot or a LOT).

Makes MP look like an g-d send (and those fleeing UA to DL are now fleeing to AA).

They also de-hubed MEM (NW hub).

UAInsider also got called out on their FT thread as it appeared that they were checking out the action on there today too.